diff --git a/docs/boardgame-core-guide.md b/docs/boardgame-core-guide.md
index 179f9c8..4c3dd0d 100644
--- a/docs/boardgame-core-guide.md
+++ b/docs/boardgame-core-guide.md
@@ -57,6 +57,9 @@ const hand = createRegion('hand', [
 **区域操作：**
 
 ```ts
+// 注意：parts 现在是 Record<string, Part> 格式
+const parts: Record<string, Part> = { ... };
+
 // 对齐/紧凑排列（根据 axis.align 自动调整位置）
 applyAlign(hand, parts);
 
@@ -78,7 +81,7 @@ removeFromRegion(part, region);
 `Part<TMeta>` 表示游戏中的一个部件（棋子、卡牌等）。
 
 ```ts
-import { createPart, createParts, createPartPool, flip, flipTo, roll } from 'boardgame-core';
+import { createPart, createParts, createPartPool, flip, flipTo, roll, mergePartPools } from 'boardgame-core';
 
 // 创建单个部件
 const piece = createPart(
@@ -86,7 +89,7 @@ const piece = createPart(
     'piece-1'
 );
 
-// 批量创建（生成 piece-pawn-0, piece-pawn-1, ...）
+// 批量创建（生成 piece-pawn-1, piece-pawn-2, ...）
 const pawns = createParts(
     { regionId: 'supply', position: [0, 0] },
     8,
@@ -141,6 +144,12 @@ roll(dice, rng);
 ```ts
 import { findPartById, isCellOccupied, getPartAtPosition } from 'boardgame-core';
 
+// Parts 现在是 Record<string, Part> 格式
+const parts: Record<string, Part> = {
+    'piece-1': piece1,
+    'piece-2': piece2,
+};
+
 // 按 ID 查找
 const piece = findPartById(parts, 'piece-1');
 
@@ -213,18 +222,18 @@ registration.add('turn <player> <turn:number>', async function(cmd) {
 registration.add('my-command <arg>', async function(cmd) {
     // this.context — 游戏上下文（MutableSignal<GameState>）
     const state = this.context.value;
-    
+
     // this.context.produce — 更新状态
     this.context.produce(draft => {
         draft.score += 1;
     });
-    
+
     // this.run — 运行子命令
     const result = await this.run<PlaceResult>(`place 2 3`);
     if (result.success) {
         console.log(result.result.row);
     }
-    
+
     // this.prompt — 等待玩家输入
     const playCmd = await this.prompt(
         'play <player> <row:number> <col:number>',
@@ -237,7 +246,7 @@ registration.add('my-command <arg>', async function(cmd) {
             return null;
         }
     );
-    
+
     return { success: true };
 });
 ```
@@ -267,7 +276,7 @@ if (result.success) {
 // 方法 1：内部使用（命令处理器中）
 registration.add('turn <player>', async function(cmd) {
     const player = cmd.params[0] as string;
-    
+
     // 等待玩家输入，带验证
     const playCmd = await this.prompt(
         'play <row:number> <col:number>',
@@ -279,7 +288,7 @@ registration.add('turn <player>', async function(cmd) {
             return null;
         }
     );
-    
+
     // 继续处理...
     const [row, col] = playCmd.params;
     placePiece(this.context, row, col, player);
@@ -358,7 +367,7 @@ export function createInitialState() {
             { name: 'x', min: 0, max: BOARD_SIZE - 1 },
             { name: 'y', min: 0, max: BOARD_SIZE - 1 },
         ]),
-        parts: [] as TicTacToePart[],
+        parts: {} as Record<string, TicTacToePart>,
         currentPlayer: 'X' as PlayerType,
         winner: null as PlayerType | 'draw' | null,
         turn: 0,
@@ -376,12 +385,12 @@ registration.add('setup', async function() {
     while (true) {
         const currentPlayer = context.value.currentPlayer;
         const turnNumber = context.value.turn + 1;
-        
+
         const turnOutput = await this.run<{winner: PlayerType | 'draw' | null}>(
             `turn ${currentPlayer} ${turnNumber}`
         );
         if (!turnOutput.success) throw new Error(turnOutput.error);
-        
+
         context.produce(state => {
             state.winner = turnOutput.result.winner;
             if (!state.winner) {
@@ -389,7 +398,7 @@ registration.add('setup', async function() {
                 state.turn = turnNumber;
             }
         });
-        
+
         if (context.value.winner) break;
     }
     return context.value;
@@ -398,44 +407,44 @@ registration.add('setup', async function() {
 // 单个回合
 registration.add('turn <player> <turn:number>', async function(cmd) {
     const [turnPlayer, turnNumber] = cmd.params as [PlayerType, number];
-    
+
     // 等待玩家输入
     const playCmd = await this.prompt(
         'play <player> <row:number> <col:number>',
         (command) => {
             const [player, row, col] = command.params as [PlayerType, number, number];
-            
+
             if (player !== turnPlayer) {
                 return `Invalid player: ${player}`;
             }
             if (row < 0 || row >= BOARD_SIZE || col < 0 || col >= BOARD_SIZE) {
                 return `Invalid position: (${row}, ${col})`;
             }
-            if (isCellOccupied(this.context, row, col)) {
+            if (isCellOccupied(this.context.value.parts, 'board', [row, col])) {
                 return `Cell (${row}, ${col}) is occupied`;
             }
             return null;
         }
     );
-    
+
     const [player, row, col] = playCmd.params as [PlayerType, number, number];
-    
+
     // 放置棋子
     const piece = createPart(
         { regionId: 'board', position: [row, col], player },
         `piece-${player}-${turnNumber}`
     );
     this.context.produce(state => {
-        state.parts.push(piece);
+        state.parts[piece.id] = piece;
         state.board.childIds.push(piece.id);
         state.board.partMap[`${row},${col}`] = piece.id;
     });
-    
+
     // 检查胜负
     const winner = checkWinner(this.context);
     if (winner) return { winner };
     if (turnNumber >= BOARD_SIZE * BOARD_SIZE) return { winner: 'draw' };
-    
+
     return { winner: null };
 });
 
@@ -486,12 +495,12 @@ const game = createGameContextFromModule(ticTacToe);
 | `PartTemplate<TMeta>` | 部件模板（创建时排除 id） |
 | `PartPool<TMeta>` | 部件池（draw/return/remaining） |
 | `createPart(template, id)` | 创建单个部件 |
-| `createParts(template, count, idPrefix)` | 批量创建部件 |
+| `createParts(template, count, idPrefix)` | 批量创建部件（ID 从 1 开始：`prefix-1`, `prefix-2`, ...） |
 | `createPartPool(template, count, idPrefix)` | 创建部件池 |
 | `mergePartPools(...pools)` | 合并部件池 |
-| `findPartById(parts, id)` | 按 ID 查找 |
-| `isCellOccupied(parts, regionId, position)` | 检查位置占用 |
-| `getPartAtPosition(parts, regionId, position)` | 获取位置上的部件 |
+| `findPartById(parts, id)` | 按 ID 查找（`parts` 为 `Record<string, Part>`） |
+| `isCellOccupied(parts, regionId, position)` | 检查位置占用（`parts` 为 `Record<string, Part>`） |
+| `getPartAtPosition(parts, regionId, position)` | 获取位置上的部件（`parts` 为 `Record<string, Part>`） |
 | `flip(part)` | 翻面 |
 | `flipTo(part, side)` | 翻到指定面 |
 | `roll(part, rng)` | 随机面 |
@@ -503,10 +512,10 @@ const game = createGameContextFromModule(ticTacToe);
 | `Region` | 区域类型 |
 | `RegionAxis` | 坐标轴定义 |
 | `createRegion(id, axes)` | 创建区域 |
-| `applyAlign(region, parts)` | 对齐/紧凑排列 |
-| `shuffle(region, parts, rng)` | 随机打乱位置 |
-| `moveToRegion(part, sourceRegion?, targetRegion, position?)` | 移动部件 |
-| `moveToRegionAll(parts, sourceRegion?, targetRegion, positions?)` | 批量移动 |
+| `applyAlign(region, parts)` | 对齐/紧凑排列（`parts` 为 `Record<string, Part>`） |
+| `shuffle(region, parts, rng)` | 随机打乱位置（`parts` 为 `Record<string, Part>`） |
+| `moveToRegion(part, sourceRegion?, targetRegion, position?)` | 移动部件（`sourceRegion` 可选） |
+| `moveToRegionAll(parts, sourceRegion?, targetRegion, positions?)` | 批量移动（`parts` 为 `Record<string, Part>`，`sourceRegion` 可选） |
 | `removeFromRegion(part, region)` | 移除部件 |
 
 ### Command
@@ -520,12 +529,18 @@ const game = createGameContextFromModule(ticTacToe);
 | `parseCommandSchema(schema)` | 解析模式字符串 |
 | `validateCommand(cmd, schema)` | 验证命令 |
 | `parseCommandWithSchema(cmd, schema)` | 解析并验证 |
+| `applyCommandSchema(cmd, schema)` | 应用模式验证并返回验证后的命令 |
 | `createCommandRegistry<TContext>()` | 创建命令注册表 |
 | `registerCommand(registry, runner)` | 注册命令 |
+| `unregisterCommand(registry, name)` | 取消注册命令 |
 | `hasCommand(registry, name)` | 检查命令是否存在 |
+| `getCommand(registry, name)` | 获取命令处理器 |
 | `runCommand(registry, context, input)` | 解析并运行命令 |
+| `runCommandParsed(registry, context, command)` | 运行已解析的命令 |
+| `createCommandRunnerContext(registry, context)` | 创建命令运行器上下文 |
 | `PromptEvent` | Prompt 事件（tryCommit/cancel） |
 | `CommandRunnerContext<TContext>` | 命令运行器上下文 |
+| `CommandRunnerContextExport<TContext>` | 导出的命令运行器上下文（含 `promptQueue`） |
 
 ### Utilities
 
@@ -541,16 +556,20 @@ const game = createGameContextFromModule(ticTacToe);
 
 - **总是使用 `produce()`** 更新状态，不要直接修改 `.value`
 - `produce()` 内部是 draft 模式，可以直接修改属性
+- **Parts 使用 Record 格式**，通过 ID 作为键访问
 
 ```ts
 // ✅ 正确
 state.produce(draft => {
     draft.score += 1;
-    draft.parts.push(newPart);
+    draft.parts[newPart.id] = newPart;
 });
 
 // ❌ 错误 — 会破坏响应式
 state.value.score = 10;
+
+// ❌ 错误 — parts 是 Record 不是数组
+state.parts.push(newPart);
 ```
 
 ### 命令设计
diff --git a/packages/framework/src/bindings/index.ts b/packages/framework/src/bindings/index.ts
index 9c746b4..fbe4b57 100644
--- a/packages/framework/src/bindings/index.ts
+++ b/packages/framework/src/bindings/index.ts
@@ -39,11 +39,10 @@ export function bindRegion<TState, TMeta>(
   container: Phaser.GameObjects.Container,
 ): { cleanup: () => void; objects: Map<string, Phaser.GameObjects.GameObject> } {
   const objects = new Map<string, Phaser.GameObjects.GameObject>();
-  const effects: DisposeFn[] = [];
 
   const offset = options.offset ?? { x: 0, y: 0 };
 
-  function syncParts() {
+  const dispose = effect(function(this: { dispose: () => void }) {
     const parts = partsGetter(state.value);
     const currentIds = new Set(region.childIds);
     for (const [id, obj] of objects) {
@@ -73,14 +72,11 @@ export function bindRegion<TState, TMeta>(
         }
       }
     }
-  }
-
-  const e = effect(syncParts);
-  effects.push(e);
+  });
 
   return {
     cleanup: () => {
-      for (const e of effects) e();
+      dispose();
       for (const [, obj] of objects) obj.destroy();
       objects.clear();
     },